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refactoring-backend #3

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lukas.pupkalipinski merged 403 commits from refactoring-backend into main 2026-05-20 20:23:46 +02:00
Conversation 0 Commits 403 Files Changed 549 +109 -50
4 changed files with 109 additions and 50 deletions
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22
backend/app/routers/history.py
View File

@@ -15,10 +15,7 @@ Routes
from __future__ import annotations
from typing import TYPE_CHECKING, Literal
if TYPE_CHECKING:
import aiohttp
from typing import Literal
from fastapi import APIRouter, HTTPException, Query, Request
@@ -30,7 +27,7 @@ from app.dependencies import (
)
from app.models.ban import BanOrigin, TimeRange
from app.models.history import HistoryListResponse, IpDetailResponse
from app.services import geo_service, history_service
from app.services import history_service
router: APIRouter = APIRouter(prefix="/api/history", tags=["History"])
@@ -95,9 +92,6 @@ async def get_history(
and the total matching count.
"""
async def _enricher(addr: str) -> geo_service.GeoInfo | None:
return await geo_service.lookup(addr, http_session)
return await history_service.list_history(
socket_path,
range_=range,
@@ -107,7 +101,7 @@ async def get_history(
source=source,
page=page,
page_size=page_size,
geo_enricher=_enricher,
http_session=http_session,
db=db,
)
@@ -133,9 +127,6 @@ async def get_history_archive(
page_size: int = Query(default=_DEFAULT_PAGE_SIZE, ge=1, le=500, description="Items per page (max 500)."),
) -> HistoryListResponse:
async def _enricher(addr: str) -> geo_service.GeoInfo | None:
return await geo_service.lookup(addr, http_session)
return await history_service.list_history(
socket_path,
range_=range,
@@ -144,7 +135,7 @@ async def get_history_archive(
source="archive",
page=page,
page_size=page_size,
geo_enricher=_enricher,
http_session=http_session,
db=db,
)
@@ -180,13 +171,10 @@ async def get_ip_history(
HTTPException: 404 if the IP has no history in the database.
"""
async def _enricher(addr: str) -> geo_service.GeoInfo | None:
return await geo_service.lookup(addr, http_session)
detail: IpDetailResponse | None = await history_service.get_ip_detail(
socket_path,
ip,
geo_enricher=_enricher,
http_session=http_session,
)
if detail is None:

104
backend/app/services/history_service.py
View File

@@ -15,12 +15,14 @@ from typing import TYPE_CHECKING
import structlog
from app.models.ban import TIME_RANGE_SECONDS, BanOrigin, TimeRange
from app.services import geo_service
if TYPE_CHECKING:
import aiosqlite
import aiohttp
from app.models.geo import GeoEnricher
from app.models.ban import TIME_RANGE_SECONDS, BanOrigin, TimeRange
from app.models.geo import GeoEnricher, GeoInfo
from app.models.history import (
HistoryBanItem,
HistoryListResponse,
@@ -61,6 +63,27 @@ def _since_unix(range_: TimeRange) -> int:
return int(datetime.now(tz=UTC).timestamp()) - seconds
async def _resolve_geo_info(
ip: str,
*,
http_session: "aiohttp.ClientSession" | None = None,
geo_enricher: GeoEnricher | None = None,
) -> GeoInfo | None:
"""Resolve geolocation information for a single IP address.
The explicit *geo_enricher* has priority over *http_session*. When an
HTTP session is provided, the service uses :func:`geo_service.lookup` as a
default enrichment strategy.
"""
if geo_enricher is not None:
return await geo_enricher(ip)
if http_session is not None:
return await geo_service.lookup(ip, http_session)
return None
_HISTORY_SYNC_PAGE_SIZE: int = 500
_HISTORY_SYNC_BACKFILL_WINDOW: int = 648000
@@ -141,6 +164,7 @@ async def list_history(
source: str = "fail2ban",
page: int = 1,
page_size: int = _DEFAULT_PAGE_SIZE,
http_session: "aiohttp.ClientSession" | None = None,
geo_enricher: GeoEnricher | None = None,
db: aiosqlite.Connection | None = None,
) -> HistoryListResponse:
@@ -158,6 +182,8 @@ async def list_history(
(or a prefix — the query uses ``LIKE ip_filter%``).
page: 1-based page number (default: ``1``).
page_size: Maximum items per page, capped at ``_MAX_PAGE_SIZE``.
http_session: Optional shared :class:`aiohttp.ClientSession` used for
geo lookups when no explicit *geo_enricher* is provided.
geo_enricher: Optional async callable ``(ip: str) -> GeoInfo | None``.
Returns:
@@ -212,16 +238,19 @@ async def list_history(
asn = None
org = None
if geo_enricher is not None:
try:
geo = await geo_enricher(ip)
if geo is not None:
country_code = geo.country_code
country_name = geo.country_name
asn = geo.asn
org = geo.org
except Exception: # noqa: BLE001
log.warning("history_service_geo_lookup_failed", ip=ip)
try:
geo = await _resolve_geo_info(
ip,
http_session=http_session,
geo_enricher=geo_enricher,
)
if geo is not None:
country_code = geo.country_code
country_name = geo.country_name
asn = geo.asn
org = geo.org
except Exception: # noqa: BLE001
log.warning("history_service_geo_lookup_failed", ip=ip)
items.append(
HistoryBanItem(
@@ -260,16 +289,19 @@ async def list_history(
asn: str | None = None
org: str | None = None
if geo_enricher is not None:
try:
geo = await geo_enricher(ip)
if geo is not None:
country_code = geo.country_code
country_name = geo.country_name
asn = geo.asn
org = geo.org
except Exception: # noqa: BLE001
log.warning("history_service_geo_lookup_failed", ip=ip)
try:
geo = await _resolve_geo_info(
ip,
http_session=http_session,
geo_enricher=geo_enricher,
)
if geo is not None:
country_code = geo.country_code
country_name = geo.country_name
asn = geo.asn
org = geo.org
except Exception: # noqa: BLE001
log.warning("history_service_geo_lookup_failed", ip=ip)
items.append(
HistoryBanItem(
@@ -298,6 +330,7 @@ async def get_ip_detail(
socket_path: str,
ip: str,
*,
http_session: "aiohttp.ClientSession" | None = None,
geo_enricher: GeoEnricher | None = None,
) -> IpDetailResponse | None:
"""Return the full historical record for a single IP address.
@@ -309,6 +342,8 @@ async def get_ip_detail(
Args:
socket_path: Path to the fail2ban Unix domain socket.
ip: The IP address to look up.
http_session: Optional shared :class:`aiohttp.ClientSession` used for
geo lookups when no explicit *geo_enricher* is provided.
geo_enricher: Optional async callable ``(ip: str) -> GeoInfo | None``.
Returns:
@@ -349,16 +384,19 @@ async def get_ip_detail(
asn: str | None = None
org: str | None = None
if geo_enricher is not None:
try:
geo = await geo_enricher(ip)
if geo is not None:
country_code = geo.country_code
country_name = geo.country_name
asn = geo.asn
org = geo.org
except Exception: # noqa: BLE001
log.warning("history_service_geo_lookup_failed_detail", ip=ip)
try:
geo = await _resolve_geo_info(
ip,
http_session=http_session,
geo_enricher=geo_enricher,
)
if geo is not None:
country_code = geo.country_code
country_name = geo.country_name
asn = geo.asn
org = geo.org
except Exception: # noqa: BLE001
log.warning("history_service_geo_lookup_failed_detail", ip=ip)
return IpDetailResponse(
ip=ip,

2
backend/app/services/protocols.py
View File

@@ -300,6 +300,7 @@ class HistoryService(Protocol):
source: str = "fail2ban",
page: int = 1,
page_size: int = 100,
http_session: aiohttp.ClientSession | None = None,
geo_enricher: GeoEnricher | None = None,
db: aiosqlite.Connection | None = None,
) -> HistoryListResponse:
@@ -310,6 +311,7 @@ class HistoryService(Protocol):
socket_path: str,
ip: str,
*,
http_session: aiohttp.ClientSession | None = None,
geo_enricher: GeoEnricher | None = None,
) -> IpDetailResponse | None:
...

31
backend/tests/test_services/test_history_service.py
View File

@@ -235,6 +235,37 @@ class TestListHistory:
assert len(recent.matches) == 1
assert "Failed password" in recent.matches[0]
async def test_http_session_geo_lookup_is_used(
self, f2b_db_path: str
) -> None:
"""A provided HTTP session is used for geo enrichment by the service."""
fake_session = AsyncMock()
mock_geo = AsyncMock()
mock_geo.country_code = "US"
mock_geo.country_name = "United States"
mock_geo.asn = "AS15169"
mock_geo.org = "Google"
with patch(
"app.services.history_service.get_fail2ban_db_path",
new=AsyncMock(return_value=f2b_db_path),
), patch(
"app.services.history_service.geo_service.lookup",
new=AsyncMock(return_value=mock_geo),
) as mock_lookup:
result = await history_service.list_history(
"fake_socket",
ip_filter="1.2.3.4",
http_session=fake_session,
)
assert mock_lookup.call_args.args == ("1.2.3.4", fake_session)
assert result.items[0].country_code == "US"
assert result.items[0].country_name == "United States"
assert result.items[0].asn == "AS15169"
assert result.items[0].org == "Google"
async def test_null_data_column_handled_gracefully(
self, f2b_db_path: str
) -> None: